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3. I
(
'
NSTALLATION
CONT
3.2 T
M
OOLS AND
ATERIAL
Following are the tools and material needed:
•
Phillips no. 2 or Robertson no. 2 screwdriver
•
Small flat blade screwdriver (for wall control connection)
•
Wire stripper (for wall control connection)
•
Hammer and flat blade screwdriver (for plenum connection installation only, to make holes in existing metal duct)
•
Scissors or utility knife (to cut duct tape)
•
Measuring tape
•
Duct tape
•
Tin snips or metal shear (for plenum connection installation only, to cut ductwork)
•
Aluminum duct tape (for plenum connection installation only)
•
Jig saw
•
Caulking gun and caulking.
3.3 L
OCATING THE UNIT
Choose an appropriate location for the unit.
•
Within an area of the house where the ambient temperature is kept between 50°F (10°C) and 104°F (40°C).
•
Away from living areas (dining room, living room, bedroom), if possible.
•
So as to provide easy access to the interior of the unit, for maintenance.
•
Close to an exterior wall, so as to limit the length of the insulated flexible duct to and from the unit.
•
Away from hot chimneys and other fire hazards.
•
Allow for a power source (standard 3-prong grounding outlet).
•
FOR HRV UNITS ONLY: Close to a drain. If no drain is close by, use a pail to collect
run-off.
Hang the unit with the four hooks, chains and springs provided. See illustration at right.
Make sure the unit is level.
3.4 P
LANNING OF THE
•
Keep it simple. Plan for a minimum of bends and joints.
•
Keep the length of insulated ducts to a minimum.
•
Do not ventilate crawl spaces or cold rooms. Do not attempt to recover the exhaust air from a dryer or a range hood. This
would cause clogging of the filters and recovery module.
•
If the house has two floors or more, be sure to plan for at least one exhaust register on the highest lived-in level.
3.5 I
N
-I
NSTALLING
ON
NSULATED
3.5.1 F
D
ULLY
UCTED
Never install a stale air exhaust diffuser in a closed room where a combustion device operates, such as a
gas furnace, a gas water heater or a fireplace.
Stale air exhaust ductwork
•
Install the stale air exhaust diffuser in the main area where the contaminants are produced: kitchen, living room, etc. Position
the diffuser as far from the stairway as possible and in such a way that the air circulates in all the lived-in spaces in the house.
If desired, you can install another diffuser (sold separately).
•
If a diffuser is installed in the kitchen, it must be located at least 4 feet (1.2 m) from the range.
•
Install the diffuser 6 to 12 inches (152 to 305 mm) from the ceiling on an interior wall OR install it in the ceiling.
)
D
CAUTION
D
UCTWORK
D
D
UCTS AND
IFFUSERS
S
(
S
YSTEM
AS ILLUSTRATED IN
2.1)
ECTION
!
WARNING
6
VD0305
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